/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lin.stride.zk.election;

import java.util.Comparator;

/**
 * A leader offer is a numeric id / path pair. The id is the sequential node id
 * assigned by ZooKeeper where as the path is the absolute path to the ZNode.
 */
public class LeaderOffer {

	private Integer id;
	private String nodePath;
	private String hostName;

	public LeaderOffer() {
		// Default constructor
	}

	public LeaderOffer(Integer id, String nodePath, String hostName) {
		this.id = id;
		this.nodePath = nodePath;
		this.hostName = hostName;
	}

	@Override
	public String toString() {
		return "{ id:" + id + " nodePath:" + nodePath + " hostName:" + hostName + " }";
	}

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public String getNodePath() {
		return nodePath;
	}

	public void setNodePath(String nodePath) {
		this.nodePath = nodePath;
	}

	public String getHostName() {
		return hostName;
	}

	public void setHostName(String hostName) {
		this.hostName = hostName;
	}

	/**
	 * Compare two instances of {@link LeaderOffer} using only the
	 * {code}id{code} member.
	 */
	public static class IdComparator implements Comparator<LeaderOffer> {

		@Override
		public int compare(LeaderOffer o1, LeaderOffer o2) {
			return o1.getId().compareTo(o2.getId());
		}

	}

}
